Clean up AC_DEFINE.

diff --git a/configure.ac b/configure.ac
index 7af6f4c..0bd3e49 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -285,7 +285,7 @@ if test x_$with_xmlsec != x_no; then
     AC_MSG_RESULT(yes)
 
        AC_CHECK_DECL(EVP_sha512,
-               [AC_DEFINE(XMLTOOLING_OPENSSL_HAVE_SHA2)],
+               [AC_DEFINE([XMLTOOLING_OPENSSL_HAVE_SHA2],[],[Define to 1 if OpenSSL supports the SHA-2 hash family.])],
                ,[#include <openssl/evp.h>])
 
     # restore master libs